[INFO] fetching crate async-datachannel 0.4.0...
[INFO] checking async-datachannel-0.4.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate async-datachannel 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate async-datachannel 0.4.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate async-datachannel 0.4.0
[INFO] finished tweaking crates.io crate async-datachannel 0.4.0
[INFO] tweaked toml for crates.io crate async-datachannel 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-datachannel 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded cpp_common v0.5.7
[INFO] [stderr]   Downloaded thiserror v1.0.37
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded generic-array v0.14.6
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr]   Downloaded anyhow v1.0.66
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded tokio v1.22.0
[INFO] [stderr]   Downloaded openssl v0.10.43
[INFO] [stderr]   Downloaded bindgen v0.60.1
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] [stderr]   Downloaded clang-sys v1.4.0
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.78
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded serde v1.0.148
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded libloading v0.7.4
[INFO] [stderr]   Downloaded clap_lex v0.2.4
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded which v4.3.0
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded serde_derive v1.0.148
[INFO] [stderr]   Downloaded async-tungstenite v0.17.2
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded openssl-src v111.24.0+1.1.1s
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded webrtc-sdp v0.3.9
[INFO] [stderr]   Downloaded datachannel v0.8.0
[INFO] [stderr]   Downloaded cpp_build v0.5.7
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded datachannel-sys v0.17.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa75475abde0a91e1184011dcf7fe96fc3076e713cf85c92ecfc29c2975d2710
[INFO] running `Command { std: "docker" "start" "-a" "fa75475abde0a91e1184011dcf7fe96fc3076e713cf85c92ecfc29c2975d2710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa75475abde0a91e1184011dcf7fe96fc3076e713cf85c92ecfc29c2975d2710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa75475abde0a91e1184011dcf7fe96fc3076e713cf85c92ecfc29c2975d2710", kill_on_drop: false }`
[INFO] [stdout] fa75475abde0a91e1184011dcf7fe96fc3076e713cf85c92ecfc29c2975d2710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 559a78393d54bf386870b190566ebec0ab9e649e7a3e88f0601cb8bd871b62fa
[INFO] running `Command { std: "docker" "start" "-a" "559a78393d54bf386870b190566ebec0ab9e649e7a3e88f0601cb8bd871b62fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-src v111.24.0+1.1.1s
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "559a78393d54bf386870b190566ebec0ab9e649e7a3e88f0601cb8bd871b62fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559a78393d54bf386870b190566ebec0ab9e649e7a3e88f0601cb8bd871b62fa", kill_on_drop: false }`
[INFO] [stdout] 559a78393d54bf386870b190566ebec0ab9e649e7a3e88f0601cb8bd871b62fa